(19)
(11) EP 3 172 378 A1

(12)

(43) Date of publication:
31.05.2017 Bulletin 2017/22

(21) Application number: 15730546.7

(22) Date of filing: 05.05.2015
(51) International Patent Classification (IPC): 
D21C 1/02(2006.01)
D21C 5/00(2006.01)
D21C 9/12(2006.01)
D21H 11/12(2006.01)
 D21C 3/02(2006.01)
D21C 9/00(2006.01)
D21H 11/18(2006.01)
(86) International application number:
PCT/PL2015/000075
(87) International publication number:
WO 2016/013946 (28.01.2016 Gazette 2016/04)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 23.07.2014 PL 40896214

(71) Applicant: Instytut Biopolimeròw I Wlókien Chemicznych
90-570 Lodz (PL)

(72) Inventors:
  • KAZIMIERCZAK, Janusz
    PL-93-172 Lódz (PL)
  • KOPANIA, Ewa
    PL-95-015 Glowno (PL)
  • BLODA, Arkadiusz
    PL-90-135 ód (PL)
  • KRZYZANOWSKA, Grazyna
    PL-92-533 Lódz (PL)
  • KLUSKA, Anna
    PL-93-376 Lódz (PL)
  • WIETECHA, Justyna
    PL-94-003 Lódz (PL)
  • CIECHANSKA, Danuta
    PL-93-355 Lódz (PL)

(74) Representative: Dziubinska, Joanna 
Kancelaria Patentowa ul. Wyszynskiego 58 m 25
94-047 Lodz
94-047 Lodz (PL)

   


(54) METHOD OF PREPARING CELLULOSE NANO-FIBRES FROM STALKS OF ANNUAL PLANTS